Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Anesthesiology

Steven Chang, MD

Sees patients in San Jose, CA · California

Summary

Steven Chang, MD (Anesthesiology) is enrolled with Medicare at 1 practice location in San Jose, CA. NPI 1427090414. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Steven Chang, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
40Years since medical school (graduated 1986)
Duke University School Of MedicineMedical school
MaleGender (as listed)
G2 Anesthesia PCGroup practice

Quick answers

Where does Steven Chang see patients?
Medicare's clinician data lists 1 practice location in San Jose, CA. Call before your visit to confirm the address.
What is Steven Chang's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Steven Chang accept Medicare assignment?
Yes. Medicare's clinician data says Steven Chang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Steven Chang?
(408) 559-2011, as listed in official Medicare / NPI Registry data.
What is Steven Chang's NPI number?
1427090414. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Steven Chang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Steven Chang as a member of this group (CMS data updated 2026-10-02).

  • G2 Anesthesia PC107 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in San Jose

Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.

All anesthesiologists in San Jose →

Clinician information

CredentialMD
Medical schoolDuke University School Of Medicine
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427090414
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians